Comment on How Not to Measure Computer System PerformanceparentComments−fleitz11yThat, the branch predictors, and caching behaviors, n-way, alignment, etc.It probably explains why different runs vary so widely, I always thought it was other things going on in the OS, never really thought about the caches, etc.−halayli11yThat, the branch predictors, and caching behaviors, n-way, alignment, etc.Those all fall under locality of reference, btw. But yeah cache and branch prediction play a huge role in the list.One thing that stung me in the past was OS scheduling.
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That, the branch predictors, and caching behaviors, n-way, alignment, etc.
It probably explains why different runs vary so widely, I always thought it was other things going on in the OS, never really thought about the caches, etc.
Those all fall under locality of reference, btw. But yeah cache and branch prediction play a huge role in the list.
One thing that stung me in the past was OS scheduling.